Menace
When Harvester of Misery enters, other creatures get -2/-2 until end of turn. , Discard Harvester of Misery: Target creature gets -2/-2 until end of turn.
Harvester of Misery's second ability affects only other creatures that are on the battlefield at the time it resolves. Creatures that enter the battlefield later in the turn and noncreature permanents that become creatures later in the turn won't get -2/-2.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.